157842864 has 40 divisors (see below), whose sum is σ = 453068720. Its totient is φ = 52614144.

The previous prime is 157842857. The next prime is 157842871. The reversal of 157842864 is 468248751.

157842864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157842857) and next prime (157842871).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182257 + ... + 183120.

It is an arithmetic number, because the mean of its divisors is an integer number (11326718).

Almost surely, 2^157842864 is an apocalyptic number.

It is an amenable number.

157842864 is an abundant number, since it is smaller than the sum of its proper divisors (295225856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157842864 is a wasteful number, since it uses less digits than its factorization.

157842864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365394 (or 365382 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 157842864 is about 12563.5530006444. The cubic root of 157842864 is about 540.4327395428.

The spelling of 157842864 in words is "one hundred fifty-seven million, eight hundred forty-two thousand, eight hundred sixty-four".